Home / 14,015.60-21,022.78-3,485.39

Finding the Fourth Proportional to 14,015.60, 21,022.78 and 3,485.39

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Solution

The fourth proportional to 14,015.60, 21,022.78 and 3,485.39 is: 5,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.60 : 21,022.78 = 3,485.39 : x
  2. Step 2: Convert to fraction form
    14,015.60/21,022.78 = 3,485.39/x
  3. Step 3: Cross multiply
    14,015.60x = 21,022.78 × 3,485.39
  4. Step 4: Simplify right side
    14,015.60x = 73,272,587.18
  5. Step 5: Solve for x
    x = 73,272,587.18/14,015.60
  6. Step 6: Final answer
    x = 5,227.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.